Finding the Fourth Proportional to 37,469.50, 51,707.94 and 20,702.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,469.50 : 51,707.94 = 20,702.50 : x
2. Step 2: Convert to fraction form
   37,469.50/51,707.94 = 20,702.50/x
3. Step 3: Cross multiply
   37,469.50x = 51,707.94 × 20,702.50
4. Step 4: Simplify right side
   37,469.50x = 1,070,483,627.85
5. Step 5: Solve for x
   x = 1,070,483,627.85/37,469.50
6. Step 6: Final answer
   x = 28,569.47